8-bit microcontroller (MCU) with 4KB FLASH memory and 256B RAM. Features an 8051 core architecture operating at up to 20MHz, with 36 programmable I/Os. Supports I2C, SPI, UART, USART, and EBI/EMI interfaces. Includes 3 timers/counters, internal oscillator, and peripherals like Brown-out Detect/Reset, POR, PWM, and WDT. Packaged in a 44-TQFP with tin, matte contact plating, suitable for surface mounting. Operates from 2.4V to 5.5V and a temperature range of -40°C to 85°C.
Frequency20MHz
PackageTQFP
MountingSurface Mount
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Technical Specifications
Microchip AT89LP51-20AU technical specifications.
General
Package/Case
TQFP
Contact Plating
Tin, Matte
Core Architecture
8051
Data Bus Width
8b
Frequency
20MHz
Interface
I2C, SPI, UART, USART, EBI/EMI
Max Frequency
20MHz
Max Operating Temperature
85°C
Max Supply Voltage
5.5V
Memory Size
4KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Min Supply Voltage
2.4V
Mount
Surface Mount
Number of I/Os
36
Number of Programmable I/O
36
Number of Timers/Counters
3
Oscillator Type
Internal
Package Quantity
160
Packaging
Tray
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
RAM Size
256B
RoHS Compliant
Yes
Series
89LP
Watchdog Timer
Yes
Compliance
RoHS
Compliant
Datasheet
Microchip AT89LP51-20AU Datasheet
Download the complete datasheet for Microchip AT89LP51-20AU to view detailed technical specifications.
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